diff --git a/.gitignore b/.gitignore
index a8b58c8..bbea963 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 bin
 obj
 .vscode
+.config
 Releases
 expresso
diff --git a/ExpressVPNClient.cs b/ExpressVPNClient.cs
index 83e2218..c592c58 100644
--- a/ExpressVPNClient.cs
+++ b/ExpressVPNClient.cs
@@ -3,6 +3,7 @@
 using Newtonsoft.Json.Linq;
 using System;
 using System.Threading.Tasks;
+using System.Runtime.InteropServices;
 
 namespace sttz.expresso
 {
@@ -12,6 +13,8 @@ namespace sttz.expresso
 /// </summary>
 public class ExpressVPNClient : NativeMessagingClient
 {
+
+    
     /// <summary>
     /// ExpressVPN state.
     /// </summary>
@@ -212,12 +215,16 @@ struct NoParams {}
     /// </summary>
     public event Action LocationsUpdated;
 
+    public static readonly string DefaultManifestName = 
+        RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ? "com.expressvpn.helper.firefox" 
+        : "com.expressvpn.helper";
+
     /// <summary>
     /// Create a new client and try to connect to the helper.
     /// </summary>
     /// <param name="logger">The instance to use for logging</param>
     /// <returns></returns>
-    public ExpressVPNClient(ILogger logger) : base("com.expressvpn.helper", logger)
+    public ExpressVPNClient(ILogger logger) : base(DefaultManifestName, logger)
     {
         Task.Run(Process);
     }
diff --git a/NativeMessagingClient.cs b/NativeMessagingClient.cs
index 7c74ece..b6f2a0a 100644
--- a/NativeMessagingClient.cs
+++ b/NativeMessagingClient.cs
@@ -3,6 +3,7 @@
 using System.Diagnostics;
 using System.IO;
 using System.Text;
+using System.Runtime.InteropServices;
 using System.Threading.Tasks;
 using Microsoft.Extensions.Logging;
 using Newtonsoft.Json;
@@ -21,14 +22,29 @@ public class NativeMessagingClient
     /// <summary>
     /// Paths where the native messaging manifests are stored.
     /// </summary>
-    static readonly string[] manifestBasePaths = new string[] {
-        "~/Library/Application Support/Mozilla/NativeMessagingHosts",
-        "/Library/Application Support/Mozilla/NativeMessagingHosts",
-        // These are used on Linux:
-        // "/usr/lib/mozilla/native-messaging-hosts",
-        // "/usr/lib64/mozilla/native-messaging-hosts",
-        // "~/.mozilla/native-messaging-hosts",
-    };
+    static readonly string[] manifestBasePaths = 
+        RuntimeInformation.IsOSPlatform(OSPlatform.OSX) ? new string[] {
+                "~/Library/Application Support/Mozilla/NativeMessagingHosts",
+                "/Library/Application Support/Mozilla/NativeMessagingHosts",
+            } :
+        RuntimeInformation.IsOSPlatform(OSPlatform.Linux) ? new string[] {
+                "/usr/lib/mozilla/native-messaging-hosts",
+                "/usr/lib64/mozilla/native-messaging-hosts",
+                "~/.mozilla/native-messaging-hosts", 
+            } :
+        RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ? new string[] {
+                Environment.GetFolderPath(Environment.SpecialFolder.ProgramFilesX86) + "/ExpressVPN/expressvpnd",
+                Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles) + "/ExpressVPN/expressvpnd",
+            } : new string[] { // If we can't detect the OS, try all the folders
+                "~/Library/Application Support/Mozilla/NativeMessagingHosts",
+                "/Library/Application Support/Mozilla/NativeMessagingHosts",
+                "/usr/lib/mozilla/native-messaging-hosts",
+                "/usr/lib64/mozilla/native-messaging-hosts",
+                "~/.mozilla/native-messaging-hosts", 
+                Environment.GetFolderPath(Environment.SpecialFolder.ProgramFilesX86) + "/ExpressVPN/expressvpnd",
+                Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles) + "/ExpressVPN/expressvpnd",
+            };
+    
 
     /// <summary>
     /// Extension of the native messaging manifest file.
diff --git a/expresso.csproj b/expresso.csproj
index a917d34..09f45bd 100644
--- a/expresso.csproj
+++ b/expresso.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>netcoreapp3.1;net472</TargetFrameworks>
+    <TargetFrameworks>net5.0</TargetFrameworks>
   </PropertyGroup>
 
   <PropertyGroup Label="Package">
@@ -31,8 +31,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Logging" Version="3.1.3" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="5.0.0" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
   <ItemGroup>